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Malachite & Chrysocolla

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CFL802742

Malachite & Chrysocolla

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Description
Locality: 
Mashamba West Mine, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.4 × 5.5 × 2.5 cm
Description

Superb specimen of very lustrous malachite crystals on matrix, associated with turquoise coloured chrysocolla which is both botryoidal and needle-like and also possibly pseudomorph after baryte. An unidentified black mineral is locally covering the chrysocolla.

Mineral Data
What's on the rock

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5

Current price

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$325
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Start 03 Oct 18:00
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